title: Anti-tumor necrosis factor and new bone formation in ankylosing spondylitis: the controversy continues.
authors.affiliation: Leiden University Medical Center, Leiden, The Netherlands; Coimbra University Hospital, Coimbra, Portugal.
authors.forename: Pedro
authors.initials: P
authors.lastname: Machado
mesh_terms: D018501:Antirheumatic Agents / Q000627:therapeutic use*; D018450:Disease Progression; D005260:Female; D006801:Humans; D008297:Male; D011859:Radiography; D013167:Spondylitis, Ankylosing / Q000000981:diagnostic imaging* / Q000188:drug therapy*; D014409:Tumor Necrosis Factor-alpha / Q000037:antagonists & inhibitors*
chemical_list: D018501:Antirheumatic Agents; D014409:Tumor Necrosis Factor-alpha